Because much of the carbon dioxide is emitted from buildings such as homes through heating and cooling, hot water supply, and lighting, a portion of the costs of installing energy-saving and renewable energy equipment in existing homes is subsidized.
Tokyo Nerima Ward: Nerima Ward Carbon Neutral Equipment Installation Subsidy
September 7, 2026
Summary
Nerima Ward subsidizes part of the cost of installing energy-saving and renewable energy equipment in existing homes, including solar power generation systems, Ene-Farm systems, EcoCute systems, highly insulated windows and doors, and LED lighting.
Key Information
| Location | Nerima Ward, Tokyo |
|---|---|
| Opening Status | Open for Applications |
| Application Period | Apr 15, 2026 – Mar 31, 2027 |
| Max Subsidy Amount | ¥750,000 |
| Subsidy Rate | Solar power generation equipment: fixed amount; Ene-Farm: fixed amount; EcoCute: fixed amount; highly insulated windows and doors: 1/6; LED lighting: 1/2; maximum amounts vary depending on the eligible equipment |
| Purpose | Capital investment / energy conservation / renewable energy and energy storage |
| Eligible Expenses | Equipment purchase costs / construction costs |
| Eligible Applicants | Sole proprietors / cooperatives, organizations, and others / small businesses / individuals |
| Implementing Agency | Nerima Ward |
| Official Page | https://www.city.nerima.tokyo.jp/kurashi/shigoto/kankyo/hojo.html#PTOP |